add login/sign-up page with dark/light mode

node_modules/es-iterator-helpers/Iterator.concat/index.js

@@ -0,0 +1,18 @@
+'use strict';
+
+var callBind = require('call-bind');
+var define = require('define-properties');
+
+var implementation = require('./implementation');
+var getPolyfill = require('./polyfill');
+var shim = require('./shim');
+
+var bound = callBind(getPolyfill(), null);
+
+define(bound, {
+	getPolyfill: getPolyfill,
+	implementation: implementation,
+	shim: shim
+});
+
+module.exports = bound;